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13  * accompanied this code).
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24 /*
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26  * License version 2 only, as published by the Free Software Foundation.
27  * However, the following notice accompanied the original version of this
28  * file:
29  *
30  * Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos
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45  *    may be used to endorse or promote products derived from this software
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59  */
60 package test.java.time.format;
61 
62 import static java.time.temporal.ChronoField.NANO_OF_SECOND;
63 import static java.time.temporal.ChronoField.SECOND_OF_MINUTE;
64 import static org.testng.Assert.assertEquals;
65 import static org.testng.Assert.fail;
66 
67 import java.text.ParsePosition;
68 import java.time.DateTimeException;
69 import java.time.LocalTime;
70 import java.time.format.DateTimeFormatter;
71 import java.time.temporal.TemporalAccessor;
72 import java.time.temporal.TemporalField;
73 
74 import org.testng.annotations.DataProvider;
75 import org.testng.annotations.Test;
76 import test.java.time.temporal.MockFieldValue;
77 
78 /**
79  * Test FractionPrinterParser.
80  */
81 @Test
82 public class TestFractionPrinterParser extends AbstractTestPrinterParser {
83 
getFormatter(TemporalField field, int minWidth, int maxWidth, boolean decimalPoint)84     private DateTimeFormatter getFormatter(TemporalField field, int minWidth, int maxWidth, boolean decimalPoint) {
85         return builder.appendFraction(field, minWidth, maxWidth, decimalPoint).toFormatter(locale).withDecimalStyle(decimalStyle);
86     }
87 
88     //-----------------------------------------------------------------------
89     // print
90     //-----------------------------------------------------------------------
91     @Test(expectedExceptions=DateTimeException.class)
test_print_emptyCalendrical()92     public void test_print_emptyCalendrical() throws Exception {
93         getFormatter(NANO_OF_SECOND, 0, 9, true).formatTo(EMPTY_DTA, buf);
94     }
95 
test_print_append()96     public void test_print_append() throws Exception {
97         buf.append("EXISTING");
98         getFormatter(NANO_OF_SECOND, 0, 9, true).formatTo(LocalTime.of(12, 30, 40, 3), buf);
99         assertEquals(buf.toString(), "EXISTING.000000003");
100     }
101 
102     //-----------------------------------------------------------------------
103     @DataProvider(name="Nanos")
provider_nanos()104     Object[][] provider_nanos() {
105         return new Object[][] {
106             {0, 9, 0,           ""},
107             {0, 9, 2,           ".000000002"},
108             {0, 9, 20,          ".00000002"},
109             {0, 9, 200,         ".0000002"},
110             {0, 9, 2000,        ".000002"},
111             {0, 9, 20000,       ".00002"},
112             {0, 9, 200000,      ".0002"},
113             {0, 9, 2000000,     ".002"},
114             {0, 9, 20000000,    ".02"},
115             {0, 9, 200000000,   ".2"},
116             {0, 9, 1,           ".000000001"},
117             {0, 9, 12,          ".000000012"},
118             {0, 9, 123,         ".000000123"},
119             {0, 9, 1234,        ".000001234"},
120             {0, 9, 12345,       ".000012345"},
121             {0, 9, 123456,      ".000123456"},
122             {0, 9, 1234567,     ".001234567"},
123             {0, 9, 12345678,    ".012345678"},
124             {0, 9, 123456789,   ".123456789"},
125 
126             {1, 9, 0,           ".0"},
127             {1, 9, 2,           ".000000002"},
128             {1, 9, 20,          ".00000002"},
129             {1, 9, 200,         ".0000002"},
130             {1, 9, 2000,        ".000002"},
131             {1, 9, 20000,       ".00002"},
132             {1, 9, 200000,      ".0002"},
133             {1, 9, 2000000,     ".002"},
134             {1, 9, 20000000,    ".02"},
135             {1, 9, 200000000,   ".2"},
136 
137             {2, 3, 0,           ".00"},
138             {2, 3, 2,           ".000"},
139             {2, 3, 20,          ".000"},
140             {2, 3, 200,         ".000"},
141             {2, 3, 2000,        ".000"},
142             {2, 3, 20000,       ".000"},
143             {2, 3, 200000,      ".000"},
144             {2, 3, 2000000,     ".002"},
145             {2, 3, 20000000,    ".02"},
146             {2, 3, 200000000,   ".20"},
147             {2, 3, 1,           ".000"},
148             {2, 3, 12,          ".000"},
149             {2, 3, 123,         ".000"},
150             {2, 3, 1234,        ".000"},
151             {2, 3, 12345,       ".000"},
152             {2, 3, 123456,      ".000"},
153             {2, 3, 1234567,     ".001"},
154             {2, 3, 12345678,    ".012"},
155             {2, 3, 123456789,   ".123"},
156 
157             {6, 6, 0,           ".000000"},
158             {6, 6, 2,           ".000000"},
159             {6, 6, 20,          ".000000"},
160             {6, 6, 200,         ".000000"},
161             {6, 6, 2000,        ".000002"},
162             {6, 6, 20000,       ".000020"},
163             {6, 6, 200000,      ".000200"},
164             {6, 6, 2000000,     ".002000"},
165             {6, 6, 20000000,    ".020000"},
166             {6, 6, 200000000,   ".200000"},
167             {6, 6, 1,           ".000000"},
168             {6, 6, 12,          ".000000"},
169             {6, 6, 123,         ".000000"},
170             {6, 6, 1234,        ".000001"},
171             {6, 6, 12345,       ".000012"},
172             {6, 6, 123456,      ".000123"},
173             {6, 6, 1234567,     ".001234"},
174             {6, 6, 12345678,    ".012345"},
175             {6, 6, 123456789,   ".123456"},
176        };
177     }
178 
179     @Test(dataProvider="Nanos")
test_print_nanos(int minWidth, int maxWidth, int value, String result)180     public void test_print_nanos(int minWidth, int maxWidth, int value, String result) throws Exception {
181         getFormatter(NANO_OF_SECOND,  minWidth, maxWidth, true).formatTo(new MockFieldValue(NANO_OF_SECOND, value), buf);
182         if (result == null) {
183             fail("Expected exception");
184         }
185         assertEquals(buf.toString(), result);
186     }
187 
188     @Test(dataProvider="Nanos")
test_print_nanos_noDecimalPoint(int minWidth, int maxWidth, int value, String result)189     public void test_print_nanos_noDecimalPoint(int minWidth, int maxWidth, int value, String result) throws Exception {
190         getFormatter(NANO_OF_SECOND,  minWidth, maxWidth, false).formatTo(new MockFieldValue(NANO_OF_SECOND, value), buf);
191         if (result == null) {
192             fail("Expected exception");
193         }
194         assertEquals(buf.toString(), (result.startsWith(".") ? result.substring(1) : result));
195     }
196 
197     //-----------------------------------------------------------------------
198     @DataProvider(name="Seconds")
provider_seconds()199     Object[][] provider_seconds() {
200         return new Object[][] {
201             {0, 9, 0,  ""},
202             {0, 9, 3,  ".05"},
203             {0, 9, 6,  ".1"},
204             {0, 9, 9,  ".15"},
205             {0, 9, 12, ".2"},
206             {0, 9, 15, ".25"},
207             {0, 9, 30, ".5"},
208             {0, 9, 45, ".75"},
209 
210             {2, 2, 0,  ".00"},
211             {2, 2, 3,  ".05"},
212             {2, 2, 6,  ".10"},
213             {2, 2, 9,  ".15"},
214             {2, 2, 12, ".20"},
215             {2, 2, 15, ".25"},
216             {2, 2, 30, ".50"},
217             {2, 2, 45, ".75"},
218         };
219     }
220 
221     @Test(dataProvider="Seconds")
test_print_seconds(int minWidth, int maxWidth, int value, String result)222     public void test_print_seconds(int minWidth, int maxWidth, int value, String result) throws Exception {
223         getFormatter(SECOND_OF_MINUTE, minWidth, maxWidth, true).formatTo(new MockFieldValue(SECOND_OF_MINUTE, value), buf);
224         if (result == null) {
225             fail("Expected exception");
226         }
227         assertEquals(buf.toString(), result);
228     }
229 
230     @Test(dataProvider="Seconds")
test_print_seconds_noDecimalPoint(int minWidth, int maxWidth, int value, String result)231     public void test_print_seconds_noDecimalPoint(int minWidth, int maxWidth, int value, String result) throws Exception {
232         getFormatter(SECOND_OF_MINUTE, minWidth, maxWidth, false).formatTo(new MockFieldValue(SECOND_OF_MINUTE, value), buf);
233         if (result == null) {
234             fail("Expected exception");
235         }
236         assertEquals(buf.toString(), (result.startsWith(".") ? result.substring(1) : result));
237     }
238 
239     //-----------------------------------------------------------------------
240     // parse
241     //-----------------------------------------------------------------------
242     @Test(dataProvider="Nanos")
test_reverseParse(int minWidth, int maxWidth, int value, String result)243     public void test_reverseParse(int minWidth, int maxWidth, int value, String result) throws Exception {
244         ParsePosition pos = new ParsePosition(0);
245         int expectedValue = fixParsedValue(maxWidth, value);
246         TemporalAccessor parsed = getFormatter(NANO_OF_SECOND, minWidth, maxWidth, true).parseUnresolved(result, pos);
247         assertEquals(pos.getIndex(), result.length());
248         assertParsed(parsed, NANO_OF_SECOND, value == 0 && minWidth == 0 ? null : (long) expectedValue);
249     }
250 
251     @Test(dataProvider="Nanos")
test_reverseParse_noDecimalPoint(int minWidth, int maxWidth, int value, String result)252     public void test_reverseParse_noDecimalPoint(int minWidth, int maxWidth, int value, String result) throws Exception {
253         ParsePosition pos = new ParsePosition((result.startsWith(".") ? 1 : 0));
254         TemporalAccessor parsed = getFormatter(NANO_OF_SECOND, minWidth, maxWidth, false).parseUnresolved(result, pos);
255         assertEquals(pos.getIndex(), result.length());
256         int expectedValue = fixParsedValue(maxWidth, value);
257         assertParsed(parsed, NANO_OF_SECOND, value == 0 && minWidth == 0 ? null : (long) expectedValue);
258     }
259 
260     @Test(dataProvider="Nanos")
test_reverseParse_followedByNonDigit(int minWidth, int maxWidth, int value, String result)261     public void test_reverseParse_followedByNonDigit(int minWidth, int maxWidth, int value, String result) throws Exception {
262         ParsePosition pos = new ParsePosition(0);
263         int expectedValue = fixParsedValue(maxWidth, value);
264         TemporalAccessor parsed = getFormatter(NANO_OF_SECOND, minWidth, maxWidth, true).parseUnresolved(result + " ", pos);
265         assertEquals(pos.getIndex(), result.length());
266         assertParsed(parsed, NANO_OF_SECOND, value == 0 && minWidth == 0 ? null : (long) expectedValue);
267     }
268 
269 //    @Test(dataProvider="Nanos")
270 //    public void test_reverseParse_followedByNonDigit_noDecimalPoint(int minWidth, int maxWidth, int value, String result) throws Exception {
271 //        FractionPrinterParser pp = new FractionPrinterParser(NANO_OF_SECOND, minWidth, maxWidth, false);
272 //        int newPos = pp.parse(parseContext, result + " ", (result.startsWith(".") ? 1 : 0));
273 //        assertEquals(newPos, result.length());
274 //        int expectedValue = fixParsedValue(maxWidth, value);
275 //        assertParsed(parseContext, NANO_OF_SECOND, value == 0 && minWidth == 0 ? null : (long) expectedValue);
276 //    }
277 
278     @Test(dataProvider="Nanos")
test_reverseParse_preceededByNonDigit(int minWidth, int maxWidth, int value, String result)279     public void test_reverseParse_preceededByNonDigit(int minWidth, int maxWidth, int value, String result) throws Exception {
280         ParsePosition pos = new ParsePosition(1);
281         int expectedValue = fixParsedValue(maxWidth, value);
282         TemporalAccessor parsed = getFormatter(NANO_OF_SECOND, minWidth, maxWidth, true).parseUnresolved(" " + result, pos);
283         assertEquals(pos.getIndex(), result.length() + 1);
284         assertParsed(parsed, NANO_OF_SECOND, value == 0 && minWidth == 0 ? null : (long) expectedValue);
285     }
286 
fixParsedValue(int maxWidth, int value)287     private int fixParsedValue(int maxWidth, int value) {
288         if (maxWidth < 9) {
289             int power = (int) Math.pow(10, (9 - maxWidth));
290             value = (value / power) * power;
291         }
292         return value;
293     }
294 
295     @Test(dataProvider="Seconds")
test_reverseParse_seconds(int minWidth, int maxWidth, int value, String result)296     public void test_reverseParse_seconds(int minWidth, int maxWidth, int value, String result) throws Exception {
297         ParsePosition pos = new ParsePosition(0);
298         TemporalAccessor parsed = getFormatter(SECOND_OF_MINUTE, minWidth, maxWidth, true).parseUnresolved(result, pos);
299         assertEquals(pos.getIndex(), result.length());
300         assertParsed(parsed, SECOND_OF_MINUTE, value == 0 && minWidth == 0 ? null : (long) value);
301     }
302 
assertParsed(TemporalAccessor parsed, TemporalField field, Long value)303     private void assertParsed(TemporalAccessor parsed, TemporalField field, Long value) {
304         if (value == null) {
305             assertEquals(parsed.isSupported(field), false);
306         } else {
307             assertEquals(parsed.isSupported(field), true);
308             assertEquals(parsed.getLong(field), (long) value);
309         }
310     }
311 
312     //-----------------------------------------------------------------------
313     @DataProvider(name="ParseNothing")
provider_parseNothing()314     Object[][] provider_parseNothing() {
315         return new Object[][] {
316             {NANO_OF_SECOND, 3, 6, true, "", 0, 0},
317             {NANO_OF_SECOND, 3, 6, true, "A", 0, 0},
318             {NANO_OF_SECOND, 3, 6, true, ".", 0, 1},
319             {NANO_OF_SECOND, 3, 6, true, ".5", 0, 1},
320             {NANO_OF_SECOND, 3, 6, true, ".51", 0, 1},
321             {NANO_OF_SECOND, 3, 6, true, ".A23456", 0, 1},
322             {NANO_OF_SECOND, 3, 6, true, ".1A3456", 0, 1},
323         };
324     }
325 
326     @Test(dataProvider = "ParseNothing")
test_parse_nothing(TemporalField field, int min, int max, boolean decimalPoint, String text, int pos, int expected)327     public void test_parse_nothing(TemporalField field, int min, int max, boolean decimalPoint, String text, int pos, int expected) {
328         ParsePosition ppos = new ParsePosition(pos);
329         TemporalAccessor parsed = getFormatter(field, min, max, decimalPoint).parseUnresolved(text, ppos);
330         assertEquals(ppos.getErrorIndex(), expected);
331         assertEquals(parsed, null);
332     }
333 
334     //-----------------------------------------------------------------------
test_toString()335     public void test_toString() throws Exception {
336         assertEquals(getFormatter(NANO_OF_SECOND, 3, 6, true).toString(), "Fraction(NanoOfSecond,3,6,DecimalPoint)");
337     }
338 
test_toString_noDecimalPoint()339     public void test_toString_noDecimalPoint() throws Exception {
340         assertEquals(getFormatter(NANO_OF_SECOND, 3, 6, false).toString(), "Fraction(NanoOfSecond,3,6)");
341     }
342 
343 }
344